CL2023002817A1 - Información de movimiento de codificación adaptativa para previsión de hipótesis múltiples para codificación de vídeo - Google Patents

Información de movimiento de codificación adaptativa para previsión de hipótesis múltiples para codificación de vídeo

Info

Publication number
CL2023002817A1
CL2023002817A1 CL2023002817A CL2023002817A CL2023002817A1 CL 2023002817 A1 CL2023002817 A1 CL 2023002817A1 CL 2023002817 A CL2023002817 A CL 2023002817A CL 2023002817 A CL2023002817 A CL 2023002817A CL 2023002817 A1 CL2023002817 A1 CL 2023002817A1
Authority
CL
Chile
Prior art keywords
motion information
prediction
fusion
prediction block
block
Prior art date
Application number
CL2023002817A
Other languages
English (en)
Spanish (es)
Inventor
Seregin Vadim
Karczewicz Marta
Huang Han
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/655,919 external-priority patent/US12309355B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CL2023002817A1 publication Critical patent/CL2023002817A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CL2023002817A 2021-03-29 2023-09-22 Información de movimiento de codificación adaptativa para previsión de hipótesis múltiples para codificación de vídeo CL2023002817A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163167480P 2021-03-29 2021-03-29
US17/655,919 US12309355B2 (en) 2021-03-29 2022-03-22 Adaptively coding motion information for multiple hypothesis prediction for video coding

Publications (1)

Publication Number Publication Date
CL2023002817A1 true CL2023002817A1 (es) 2024-01-26

Family

ID=81308524

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2023002817A CL2023002817A1 (es) 2021-03-29 2023-09-22 Información de movimiento de codificación adaptativa para previsión de hipótesis múltiples para codificación de vídeo

Country Status (11)

Country Link
EP (1) EP4315850A1 (https=)
JP (1) JP2024512539A (https=)
KR (1) KR20230162614A (https=)
AU (1) AU2022246716A1 (https=)
BR (1) BR112023018885A2 (https=)
CA (1) CA3208108A1 (https=)
CL (1) CL2023002817A1 (https=)
MX (1) MX2023011284A (https=)
SA (1) SA523450273B1 (https=)
TW (1) TW202243478A (https=)
WO (1) WO2022213026A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121605639A (zh) * 2023-08-01 2026-03-03 联发科技股份有限公司 使用多假设交叉分量预测进行色度编解码的视频编解码方法和设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10652571B2 (en) * 2018-01-25 2020-05-12 Qualcomm Incorporated Advanced motion vector prediction speedups for video coding
US10904549B2 (en) * 2018-12-13 2021-01-26 Tencent America LLC Method and apparatus for signaling of multi-hypothesis for skip and merge mode and signaling of distance offset table in merge with motion vector difference
US11140406B2 (en) * 2019-02-20 2021-10-05 Qualcomm Incorporated Signalling for merge mode with motion vector differences in video coding
US11076169B2 (en) * 2019-05-14 2021-07-27 Qualcomm Incorporated Switchable interpolation filtering (SIF) for video coding
US11611759B2 (en) * 2019-05-24 2023-03-21 Qualcomm Incorporated Merge mode coding for video coding

Also Published As

Publication number Publication date
CA3208108A1 (en) 2022-10-06
TW202243478A (zh) 2022-11-01
EP4315850A1 (en) 2024-02-07
SA523450273B1 (ar) 2025-04-13
AU2022246716A9 (en) 2024-05-09
MX2023011284A (es) 2023-10-04
JP2024512539A (ja) 2024-03-19
AU2022246716A1 (en) 2023-07-27
KR20230162614A (ko) 2023-11-28
BR112023018885A2 (pt) 2023-10-03
WO2022213026A1 (en) 2022-10-06

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